Re: Is relational theory irrelevant?

A long time ago, in a galaxy far, far away, Lauri Pietarinen <lauri.pietarinen_at_atbusiness.com> wrote:
> OK, but is
>
> select top 5 * from (
> select * from emp order by sal
> )
>
> legal SQL now a'days?
>
> Is it supported in products?

No, it is not 'legal SQL.'

It is a proprietary extension used by one vendor.

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